Parkin still has a year to run on his contract but havinbg scored more than 20 goals a season for the past three years he has recently being attracting a lot of attention from other clubs.
Parkin has a release clause in his contract that would allow him to move to any club that offered to pay more than £400,000, and in the past few months he has been linked with a number of clubs including Burnley, Portsmouth, Sunderland, Hull and many others.
Parkin was injured playing for the Scotland B side last week, and is still rated as 50/50 to play in Swindon's final away trip of the season against Huddersfield on Saturday.